Hi Jonathan, On Thu, Nov 02, 2023 at 10:58:31AM -0700, Jonathan Cavitt wrote: > FIXME: It is suspected that some Address Translation Service (ATS) > issue on IOMMU is causing CAT errors to occur on some MTL workloads. > Applying a write barrier to the ppgtt set entry functions appeared > to have no effect, so we must temporarily use I915_MAP_WC in the > map_pt_dma class of functions on MTL until a proper ATS solution is > found. > > Signed-off-by: Jonathan Cavitt <jonathan.cavitt@xxxxxxxxx> > CC: Chris Wilson <chris.p.wilson@xxxxxxxxxxxxxxx> acked and pushed! Thanks! Andi
